JP2001318592A - Device for language study and method for language analysis - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for studying a language and a method for analyzing the language having improved effect of study by storing voice information of a mother language speaker and a learner, then comparing their frequency characteristics and analyzing their pronunciation, outputting the results of the analysis of the accent and rhythm obtained by comparing the envelopes of the voice output waveforms, and outputting recorded voices and mouth shapes. SOLUTION: This invention is characterized in that voice information of a learner and image data of his/her mouth shapes are recorded in user data memory using a microphone and a camera; the voice information of the learner recorded in the user data memory and that of the mother language speaker recorded in sample data memory are analyzed in the segments of pronunciation, accent, an rhythm; and the analysis results are displayed in a chart form.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a language learning apparatus and a language analysis method thereof, and more particularly, to storing pronunciation information of a native language user and a learner and comparing frequency characteristics to analyze pronunciation. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a language learning device and a language analysis method for improving a learning effect by outputting a result of analyzing an accent and a rhythm by comparing an envelope of a voice output waveform and outputting a recorded voice and a recorded mouth shape.

[0002]

2. Description of the Related Art At present, as general language learning methods, first, an interpersonal learning method, second, a sentence repetition learning method using only audio from an audio tape, and third, an audiovisual method using a videotape. Learning method, fourth, books and PC
There is a learning method using online or offline using such as.

[0003]

[0007] Despite the various learning methods described above, there are vulnerabilities for each method, and a reference is provided for each method.
No method is provided for accurately analyzing accents and mouth shapes.

[0004] Therefore, the learner cannot recognize exactly how much his pronunciation and accent differ from the original sound and where it is different, which leads to the result that learning is inefficiently performed and the language is not learned. Requires considerable effort and investment.

SUMMARY OF THE INVENTION Accordingly, the present invention is to solve the above-mentioned problem, and an object of the present invention is to analyze the pronunciation of a word or a sentence learned by a learner based on frequency characteristics, and to analyze a speech waveform having an envelope with accent and rhythm. It is an object of the present invention to provide a language learning apparatus that can analyze pronunciation, accent, rhythm, mouth shape, and the like objectively by analyzing the results and displaying the results.

Another object of the present invention is to make it possible for a learner to selectively reproduce only a part of a word or a sentence learned by the learner, thereby enabling a learner to learn a specific word or selected area. An object of the present invention is to provide a language learning device that can double the effect.

Another object of the present invention is to provide a language learning apparatus capable of storing the content learned by a learner, repeatedly reproducing and calibrating the content, storing the learning result and managing the progress of the learner as a history. To provide.

It is another object of the present invention to provide a language analysis method of a language learning device for achieving each of the above objects.

[0009]

According to the present invention, there is provided a voice input unit for converting an analog voice signal of a learner input from a microphone into digital voice information and outputting the digital voice information; A user data memory for storing the learner's voice information provided from the voice input means; a sample data memory for storing sample data including a native language user's voice information; Audio output means for reproducing the audio information of the native language user and converting it into an analog signal, and then outputting the analog signal to a speaker; audio information of the native language user reproduced by the audio output means; An analysis unit for analyzing a frequency characteristic of pronunciation of the provided speech information of the learner and generating a pronunciation analysis chart according to the analysis result; Outputting audio information of the sample data memory stored in said native language user in the reproduction mode to the audio output means; has been the pronunciation analysis chart and a display unit for displaying a predetermined area
The voice information of the learner input from the voice input means in the recording mode is stored in the user data memory, and the voice information of the native language user and the user data memory stored in the sample data memory in the analysis mode. And control means for outputting the learner's voice information stored in the analysis section to the analysis section.

[0010] Preferably, the apparatus further includes an interface unit for receiving sample data including voice information of the native language user online, and the control unit stores the sample data received by the interface unit in a sample data memory.

The analyzing unit detects a first envelope of the waveform of the voice information of the learner, detects a second envelope of the waveform of the voice information of the native language user, and detects the first envelope and the second envelope. It is desirable to obtain the difference from the envelope and output it to the first analysis chart for accent.

The analysis unit may compare the start point of the phrase of the first envelope with the start point of the phrase of the second envelope, obtain a time difference between the points, and output the time difference to a second analysis chart for the rhythm. desirable.

A recording means for adjusting the resolution of the image of the learner's mouth recorded by the camera and compressing the image; a learner's mouth image corresponding to the learner's voice information; A video output means for converting into a signal for displaying the image of the mouth shape of the native language user corresponding to and outputting to the display unit,
The control unit stores the image of the learner's mouth shape output by the recording means in the recording mode in the user data memory, and outputs the image of the learner's mouth shape and the image of the learner's mouth shape in the analysis mode to the video output unit. It is desirable to output.

Further, a movement key for searching for a sentence to be analyzed among the sample data stored in the sample data memory and a selection key for selecting the sentence for reproducing / analyzing the searched sentence unit. It is preferable that the control unit further includes an operation unit, and the control unit reproduces and analyzes a sentence selected by the learner among the sample data stored in the sample data memory in response to an operation signal from the operation unit.

[0015] A selection key in the operation unit selects a corresponding word in order to reproduce and analyze at least one or more words selected by the learner among a plurality of words included in the retrieved text. It is preferable that the control unit further includes a function, and reproduces and analyzes words in a sentence selected by the learner among sample data stored in the sample data memory in response to an operation signal from the operation unit.

Further, the selection key in the operation unit further includes a function of selecting an arbitrary area in order to allow the learner to select and reproduce / analyze an arbitrary area in the retrieved sentences.
It is desirable that the control unit reproduces and analyzes a region selected by the learner among the sample data stored in the sample data memory in response to an operation signal from the operation unit.

On the other hand, the present invention detects the learner's voice information stored in the user data memory, and performs learning so that the detected waveform of the learner's voice information is represented from the time domain to the frequency domain. Analyzing the frequency characteristics of the speech information of the native speaker; detecting the speech information of the native language user stored in the sample data memory; and expressing the waveform of the detected speech information of the native language user from the time domain to the frequency domain. Analyze the frequency characteristics of the voice information of the native language user, and use the frequency characteristics of the learner's voice information and the frequency characteristics of the voice information of the native language user to analyze the pronunciation of the output waveform for each band. It is characterized in that a chart is generated and output.

The first output waveform of the learner's voice information is
Detecting an envelope; detecting a second envelope of the output waveform of the voice information of the native language user; detecting a difference between the first envelope and the second envelope; and detecting the detected first envelope. It is also possible to generate and output an accent analysis chart indicating the difference from the second envelope.

In the output waveform of the learner's voice information, the first starting point of the next phrase connected to the first phrase is detected; in the output waveform of the voice information of the native language user, the first phrase is detected. Finds the second starting point of the next phrase leading to
Detecting the time difference between the start point and the second start point;
A rhythm analysis chart showing the time difference between the start point and the second start point can also be generated and output.

In the output waveform of the voice information of the learner, a first non-signal section between the next phrase connected to the first phrase is detected; in the output waveform of the voice information of the native language user, the first non-signal section is detected. Detecting a second non-signal section between the next term leading to the term; detecting a time difference between the first no-signal section and the second no-signal section; detecting the detected first no-signal section and the second no-signal section; It is also possible to generate and output a rhythm analysis chart showing the time difference between sections.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference numerals. Also, in the following description, many specific items such as specific circuit components are shown, but this is only for general understanding of the present invention, and there is no such specific item. However, it will be apparent to one of ordinary skill in the art that the present invention may be practiced. In the description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention unclear.

FIG. 1 is a schematic block diagram of a language learning apparatus according to the present invention, FIG. 2 is an operation flowchart showing an execution process of a language analyzing method according to the present invention, FIG. 3 is a waveform diagram illustrating a speech waveform analyzing method according to the present invention, FIG. 4 is a diagram showing a pronunciation analysis chart according to the present invention, FIG. 5 is a display state diagram displayed on a display unit based on a waveform analysis result, FIG. 6 is an exemplary diagram in which a language learning device according to the present invention is applied to an electronic notebook, FIG. FIG. 2 is an exemplary diagram in which the language learning device according to the present invention is applied to an electronic dictionary.

The configuration of the present invention will be described below with reference to FIG. The microphone 101 collects a learner's voice and converts it into an analog electrical signal.

The analog / digital converter 102 converts an analog audio signal input from the microphone 101 into a digital audio signal and outputs the digital audio signal.

The camera 103 converts image information obtained by photographing a learner as a subject into a video signal. In particular, in the present invention, the camera 103 photographs the learner's mouth shape so that the learner can visually confirm his / her mouth shape.

The video signal input unit 104 is connected to the camera 103
It performs resolution adjustment and data compression of image information for the learner's mouth shape input from.

The interface unit 105 serves as a connection unit for connecting to a computer or the Internet, and plays a role of interfacing sample data transferred online.

The operation unit 106 includes a plurality of function keys for controlling the operation of the language learning apparatus. In particular, the operation unit 106 includes sample data stored in the sample data memory 108 (voice information of the native language user and A moving key for retrieving an arbitrary sentence from among (image data indicating a mouth shape), and a selection key for selecting a whole area of an arbitrary sentence displayed by the moving key or a predetermined area of a word or a sentence included in the sentence And a reproduction key for reproducing any one of a sentence, a word and a predetermined area selected by the selection key, a recording key for recording learner's voice information and image data indicating a mouth shape, It includes a sample data key and an analysis key for analyzing user data of a learner.

The user data memory 107 stores voice information, image data, and learning history data recorded by a learner who is a user.

The sample data memory 108 stores the voice information and image data of the native language user directly recorded and input by the native language user, or downloaded online through a computer or an Internet terminal connectable to the interface unit 105. Is stored.

The digital / analog conversion unit 109 includes a user data memory 107 and a sample data memory 108
Is converted into an analog audio signal from the digital audio information of which the playback function is selected by the learner, and output to the speaker 110.

The analysis unit 111 stores the user data memory 1
07 and a frequency conversion algorithm for pronunciation analysis of audio information whose reproduction function is selected by the learner among audio information stored in the sample data memory 108.
(E.g., a Fourier transform algorithm) to detect frequency characteristics, detect an envelope for accent analysis and rhythm analysis, convert the detection result into a chart in a predetermined format, and output the chart.

The video output unit 112 selectively detects and decompresses (compresses) the image data whose reproduction function is selected by the learner from the image data for the mouth shape stored in the user data memory 107 and the sample data memory 108. Output after release).

The display unit 113 analyzes the character information corresponding to the voice information selected by the learner using the operation unit 106 from the learner's voice information stored in the user data memory 107 and the analysis unit 111. The analysis result and the image data output from the video output unit 112 are arranged and displayed in a predetermined area that has been defined.

The control unit 114 controls the overall operation state of the language learning device. In particular, the control unit 114 performs analog /
The audio information in digital form converted by the digital conversion section 102 is stored in the user data memory 107 by designating an address in the user data memory 107, and the mouth-shaped image data compressed in digital form by the video signal input section 104 is stored in the user data memory 107. I do. At this time, when storing the mouth shape image data in the user data memory 107, the control unit 114 stores the link of the address of the sound information and the address of the mouth shape image data so that the voice information is selected in the reproduction process. Sometimes linked mouth shape image data can be detected at the same time.

The control section 114 stores the sample data downloaded through the interface section 105 in the sample data memory 108 by specifying an address, and selects a word, a sentence, and an area selected by the learner according to an operation signal of the operation section 106. User data memory 107
And the audio information and the image data stored in the sample data memory 108 are selectively detected, and the digital / analog conversion unit 109, the analysis unit 111, and the video output unit 1 are respectively detected.
12 is output.

The language learning device having the above-described configuration is
It can be manufactured on an individual terminal such as an electronic organizer or an electronic dictionary, and can be applied to a computer and implemented on the Internet or on an individual desktop terminal.

The operation of the present invention having such a configuration will be described below with reference to FIGS.

The operation of the language analyzer according to the present invention is classified into a selection mode, a reproduction mode, a recording mode, and an analysis mode. The analysis mode is classified into an accent analysis mode, a rhythm analysis mode, and a pronunciation analysis mode.

First, sample data of a native language user (voice information and image data of a mouth shape) are downloaded from a computer or an Internet terminal connected through an interface unit 105, and for this purpose, the interface unit 105 is connected to a computer. When connected through a cable or connected to the Internet through an Internet terminal, it is configured to satisfy the protocol.

The control unit 114 controls the interface unit 10
Sample data memory 1 for storing voice information and image data of a native language user downloaded through
08, the sample data memory 1
08 in the designated area. Therefore, the sample data downloaded through the interface unit 105 is stored in the sample data memory 108.

On the other hand, to explain the selection mode and the reproduction mode, when the learner presses a specific key in the operation section 106 to select the sentence display function, the control section 114 causes the sample data memory to respond to the operation signal of the operation section 106. Character information corresponding to the plurality of sample data stored in 108 is displayed on the display unit 113. In addition, in the sample data (voice information of the native language user and image data of the mouth shape) displayed on the display unit 113 by the learner using the movement key and the selection key, the learner included in an arbitrary sentence or sentence. If a word or an arbitrary region is selected, the control unit 114 detects address information corresponding to the sentence, word or region selected by the learner in response to an operation signal from the operation unit 106, and detects the corresponding information from the sample data memory 108. Detect speech information corresponding to a sentence, word or region.

Thereafter, when the learner operates the reproduction key of the operation unit 106, the control unit 114 responds to the corresponding sentence, word or area detected from the sample data memory 108 in response to the reproduction key operation signal of the operation unit 106. The digital / analog conversion unit 109 outputs the audio information in digital form to the digital / analog conversion unit 109.
After converting the digital audio information transferred from the device into an analog audio signal, the analog audio signal is output through the speaker 110. Therefore, the learner can aurally check sample data corresponding to a sentence, word, or region desired to be learned.

Next, the recording mode will be described. When the learner presses the recording key, the speaker 11 is activated in the reproduction mode.
If the user hears the sentence, word, or area voice output to 0 and pronounces it, the learner's pronunciation and mouth shape are detected by the microphone 101 and the camera 103. That is, if the learner selects a recording key among the various function keys of the operation unit 106 and then pronounces a sentence, word or region output to the speaker 110 in the playback mode, the learner's pronunciation will be the microphone 1
01 is detected as an analog audio signal, and the analog audio signal is converted to digital audio information by an analog / digital converter 102, and then is converted to a controller 1.
14. The control unit 114 stores the audio information output by the analog / digital conversion unit 102 in a specified area of the user data memory 107 after designating an address of the user data memory 107 for storing the audio information.

The learner's mouth shape is photographed by the camera 103, and the photographed image is transmitted to the video signal input unit 10
4, the resolution is adjusted, and after the compression process, the controller 114
Is forwarded to The control unit 114 controls the video signal input unit 104
After specifying the address of the user data memory 107 for storing the input image data in the step (b), the image data is stored in the designated area of the user data memory 107. At this time, an address associated with the address of the audio information is assigned to the mouth image data and stored. Therefore, the user data (sound information and image data indicating the mouth shape) of the learner is stored in the user data memory 107.

Next, the analysis mode will be described. If the learner selects an analysis key, the control unit 114 checks the sample data and the sample data corresponding to the sentence, word or predetermined area selected by the learner in the selection mode. The user data recorded by the user is detected from the sample data memory 108 and the user data memory 107, respectively, and the detected sample data and user data are output to the analysis unit 111 and the video output unit 112.

Here, the analysis unit 111 analyzes the accent, rhythm, and pronunciation, which will be described in detail with reference to FIGS.

First, the analyzing unit 111 detects the voice information of the native language user in the sample data and the voice information of the learner in the user data (S101), and analyzes the waveform of each detected voice information. (S102), the envelope of the waveform of each audio information is detected based on the analysis result (S1).
03).

Here, the waveform shown in the upper part of FIG. 3 is the voice information waveform of the native language user, and the waveform shown in the lower part of FIG. 3 is the voice information waveform of the learner. Note that the waveform of each audio information is displayed in a correlation between the magnitude of output and time.

That is, the analyzing unit 111 analyzes the voice information waveform P1 of the native language user in the sample data provided from the control unit 114, calculates the peak value, and estimates and finds the envelope E1 of the peak value. A start point (hereinafter referred to as a phrase start point) S1 of the first phrase is obtained. In addition, the analysis unit 111 controls the control unit 11.
Of the learner's voice output waveform P2 in the user data provided by the user 4 and calculate the peak value, and obtain an envelope E thereof.
2 to obtain the start point S2 of the first phrase.

After that, the analyzing unit 111 adjusts the time difference Sd existing between the first phrase start point S1 of the native language user and the first phrase start point S2 of the learner in a "0" state. Then, the difference between the envelope E1 of the native language user and the learner's envelope E2 is determined (S104).

After all, the difference in the envelope described above becomes the difference in accent between the native language user and the learner, and the analysis unit 111
Is embodied as an accent analysis chart in which the difference between the envelopes is graphed, and is displayed at a predetermined position on the display unit 113 (S105). Therefore, the accent analysis result is displayed in a chart on the display unit 113 (see “A” in FIG. 5), and the learner can visually analyze the accent differences through the analysis chart.

Next, the analysis unit 111 analyzes the rhythm by finding the start point S3 of the phrase connected to the native language user and the start point S4 of the phrase connected to the learner, and analyzes the rhythm. The rhythm is analyzed by calculating the time difference of the no-signal section between
06), a rhythm analysis chart is generated based on the analysis result, and displayed on the display unit 113 (S107).

In other words, the rhythm analysis method at the starting point will be described. The point at which the native language user starts the next phrase after the pronunciation of the first phrase is S3, and the learner determines after the pronunciation of the first phrase. Since the point at which the next phrase is started is S4, the learner obtains a result having a faster or slower rhythm by the difference. After all, the analysis unit 111 implements the difference between the starting points of the connected phrases in a rhythm analysis chart that is graphed, and displays it at a predetermined position on the display unit 113. Therefore, the rhythm analysis result is displayed on the display unit 113 in a chart. Then, the learner can visually analyze the difference in the rhythm through the analysis chart (see “B” in FIG. 5).

The rhythm analysis method in the non-signal section will be described. The non-signal section after the end of the first phrase of the native language user and before the start of the next phrase is d1, and the learner's first phrase is The d2 is a non-signal section that is provided before the start of the next phrase after the end of the phrase. Therefore, the learner obtains a result in which the next phrase is faster or slower by the difference. After all, the analyzing unit 111 is embodied as a rhythm analysis chart in which the time difference between the no-signal sections is graphed and displayed at a predetermined position on the display unit 113.
A rhythm analysis result is displayed on a chart 13 (see “B” in FIG. 5), and the learner can visually analyze a difference in rhythm through the analysis chart.

Finally, the pronunciation analysis method will be described with reference to FIG. 4. In FIG. 4, the upper part is a pronunciation analysis chart of a native language user, and the lower part is a pronunciation analysis chart of a learner.

That is, the analysis unit 111 performs a frequency analysis so that the audio output waveforms P1 and P2 of FIG. 3 are expressed from the time domain to the frequency domain by an algorithm such as Fourier transform. An output waveform for each band is obtained (S108). After all, the analysis unit 111 implements the output waveform for each frequency band obtained in the step (S108) as a graph of a sound analysis chart and displays the output waveform at a predetermined position on the display unit 113 (S109). Indicates the pronunciation analysis result in a chart, and the learner compares the pronunciation of the native language user and the pronunciation of the learner displayed in the pronunciation analysis chart, and determines the frequency range corresponding to each voiced consonant or voiced vowel. The pronunciation difference caused by the difference in size can be visually confirmed.

The video output unit 112 is provided with a control unit 114
The image data indicating the mouth shape of the native language user in the sample data provided by the user and the image data indicating the mouth shape of the learner in the user data are detected (S110), and the detected image data is restored (decompressed). ) After (S111),
Output the restored image to the display unit 113,
The display unit 113 displays the image provided from the video output unit 112 in combination with various chart information provided from the analysis unit 111 (S112).

On the other hand, the images showing the accent, rhythm, pronunciation analysis chart, and mouth shape as described above are shown in FIG.
As shown in the figure, the display unit 113 can be combined with a screen that is easy for the learner to recognize.

Referring to FIG. 5, the voice waveform of the native language user is output to the right of the area indicated by "original sound" (original sound), and the voice waveform of the learner is displayed below "my voice". It is output to the right of the area indicated by (My Voice). The audio waveform is displayed on the time axis in a shape in which the audio output waveform and the envelope waveform are superimposed.

At the top of the waveform of the native language user, “Can you speak English?”
English? ) Is output, and the instruction line moves in accordance with the output state of the voice. At this time, the instruction line may be formed over the voice waveform of the native language user and the voice waveform of the learner.

An accent analysis chart A and a rhythm analysis chart B are output at the lower part of the learner's voice waveform, and correspond to the right side of the voice waveform of the native language user and the right side of the learner's voice waveform, respectively. An image indicating a mouth shape may be configured to be output.

The operation unit 106 further comprises a pronunciation analysis chart button so that when the learner selects the pronunciation analysis chart button, the pronunciation analysis chart for the pronunciation as shown in FIG. 4 is output on a single screen. Can be configured.

On the other hand, the control unit 114 stores the analysis results (accent analysis chart, rhythm analysis chart, and pronunciation analysis chart) in the user data memory 107 (S11).
3). Therefore, the analysis result stored in the user data memory 107 can be used for managing the history of the learner, and through this, the learner can confirm the improvement of pronunciation of the same sentence, word or predetermined area, thereby improving the learning effect. Can be improved.

On the other hand, a person who understands the technical idea of the present invention can variously implement a language learning apparatus using the technical idea of the present invention. And an electronic dictionary as shown in FIG. 7 can be presented.

In the case of the electronic organizer shown in FIG. 6, words, phonetic symbols, analysis, and the like can be displayed in characters in a display area, and an analysis chart can be displayed below the display. The microphone may be connected to input a sound.

In the case of the electronic dictionary shown in FIG. 7, an original sentence and a translated sentence can be displayed in a display area, and an analysis chart can be displayed below the original sentence and translated sentence. In addition, a microphone for inputting a sound can be configured, and a connection terminal for connection to a computer can be configured.

As described above, the specific embodiments of the present invention have been described. However, it goes without saying that the present invention can be variously modified within the scope thereof. Therefore, the scope of the present invention is not limited to the above-described embodiment, but should be determined by the same scope as in the above-described claims.

[0069]

According to the language learning apparatus and the language analysis method of the present invention, the following advantages are obtained. That is, the learner confirms the objective analysis data on the pronunciation, intonation, and rhythm of the words or sentences learned by the learner, and repeatedly introduces the above-described analysis materials into the learning, so that the learner can learn close to the pronunciation of the native language user, and can learn the language The learning effect is enhanced. Further, since the learner can selectively reproduce only a part of a word or a sentence learned by the learner, the learning effect is doubled for a specific word or selected region. Further, by managing the history of the learning result of the learner, the language learning effect can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram of a language learning device according to the present invention.

FIG. 2 is an operational flowchart showing an execution process of a language analysis method according to the present invention.

FIG. 3 is a waveform diagram illustrating a speech waveform analysis method according to the present invention.

FIG. 4 is a diagram showing a pronunciation analysis chart according to the present invention.

FIG. 5 is a display state diagram displayed on a display unit based on a waveform analysis result.

FIG. 6 is an exemplary diagram in which the language learning device according to the present invention is applied to an electronic organizer.

FIG. 7 is an exemplary diagram in which the language learning device according to the present invention is applied to an electronic dictionary.

[Explanation of symbols]

 Reference Signs List 101 microphone 102 analog / digital conversion unit 103 camera 104 video signal input unit 105 interface unit 106 operation unit 107 user data memory 108 sample data memory 109 digital / analog conversion unit 110 speaker 111 analysis unit 112 video output unit 113 display unit 114 control unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G10L 21/06 G10L 3/00 551E 15/00 7/02 A 11/00

Claims (12)

[Claims] 1. An audio input means for converting a learner's analog audio signal input from a microphone into digital audio information, and storing the learner's audio information provided from the audio input means. User data memory;
A sample data memory for storing sample data including voice information of a native language user; reproducing the voice information of the native language user detected from the sample data memory, converting the voice information into an analog signal, and outputting the analog signal to a speaker Voice output means for analyzing; voice information of the native language user reproduced by the voice output means; and analyzing the frequency characteristics of pronunciation of the learner's voice information provided from the voice input means,
An analysis unit that generates a pronunciation analysis chart according to the analysis result; a display unit that displays the pronunciation analysis chart generated by the analysis unit in a predetermined area; and the native language user stored in the sample data memory in a playback mode. Output to the audio output means,
The voice information of the learner input from the voice input means in the recording mode is stored in the user data memory, and the voice information of the native language user and the user data memory stored in the sample data memory in the analysis mode. And a control unit that outputs the learner's voice information stored in the analysis unit to the analysis unit. 2. The apparatus according to claim 1, further comprising an interface unit for receiving the sample data including voice information of the native language user online, wherein the control unit stores the sample data received by the interface unit in the sample data memory. The language learning device according to claim 1, wherein: 3. The analysis unit detects a first envelope of a waveform of the voice information of the learner, detects a second envelope of a waveform of the voice information of the native language user, and detects the first envelope. The language learning device according to claim 1, wherein a difference between a line and the second envelope is obtained and output to a first analysis chart for accent. 4. The analysis unit compares a start point of a phrase of the first envelope with a start point of a phrase of the second envelope, finds a time difference between the start point, and outputs the time difference to a second analysis chart for rhythm. 4. The method according to claim 3, wherein
The language learning device according to 1. 5. A recording means for adjusting the resolution of the image of the learner's mouth shape recorded by a camera and compressing the image; a learner's mouth shape image corresponding to the learner's voice information; Video output means for converting the image of the mouth shape of the native language user corresponding to the voice information of the user into a signal for display, and outputting the signal to the display unit, the control unit includes: In the mode, the image of the learner's mouth shape output by the recording means is stored in the user data memory, and in the analysis mode, the learner's mouth shape image and the native speaker's mouth shape image are output as the video. The language learning device according to claim 1, wherein the language learning device outputs the result to a unit. 6. A movement key for searching for a sentence to be analyzed among the sample data stored in the sample data memory, and a selection for selecting a corresponding sentence for reproduction / analysis in the searched sentence unit. And an operation unit having a key, wherein the control unit reproduces and analyzes a sentence selected by the learner among the sample data stored in the sample data memory in response to an operation signal from the operation unit. The language learning device according to claim 1, wherein 7. A selection key in the operation unit is used to select a word in order to reproduce / analyze at least one word selected by a learner among a plurality of words included in the searched text. The control unit further includes a function of selecting and reproducing / analyzing a word in a sentence selected by the learner among the sample data stored in the sample data memory in response to an operation signal from the operation unit. The language learning apparatus according to claim 6, wherein the language learning is performed. 8. A selection key in the operation unit is used by a learner to select an arbitrary area from among the searched sentences and reproduce / select the area.
In order to analyze, further includes a function of selecting an arbitrary area, the control unit, the learner selected from among the sample data stored in the sample data memory according to an operation signal from the operation unit 7. The language learning apparatus according to claim 6, wherein the region is reproduced and analyzed. 9. The learner's voice information is detected so that the learner's voice information stored in the user data memory is detected, and the waveform of the detected learner's voice information is expressed from the time domain to the frequency domain. Analyzing the frequency characteristics of the information; detecting voice information of the native language user stored in the sample data memory; and converting the detected waveform of the voice information of the native language user from the time domain to the frequency domain. Analyzing the frequency characteristics of the voice information of the native language user as expressed; and using the frequency characteristics of the voice information of the learner and the frequency characteristics of the voice information of the native language user, Generating and outputting a pronunciation analysis chart showing different output waveforms. 10. A step of detecting a first envelope of an output waveform of the voice information of the learner; a step of detecting a second envelope of an output waveform of the voice information of the native language user;
Detecting a difference between the envelope and the second envelope; and generating and outputting an accent analysis chart indicating the detected difference between the first envelope and the second envelope. The language analysis method for a language learning device according to claim 9, wherein: Detecting a first start point of a next phrase leading to a first phrase in the output waveform of the learner's voice information; and Detecting a second start point of the next phrase leading to the first phrase; detecting a time difference between the first start point and the second start point; and detecting the first start point and the detected first start point. The method according to claim 9 or 10, further comprising: generating and outputting a rhythm analysis chart indicating a time difference between the second start points. 12. In the output waveform of the speech information of the learner, detecting a first non-signal section between the next phrases connected to the first phrase; and an output waveform of the speech information of the native language user. Detecting a second no-signal section between the next clauses leading to the first clause; detecting a time difference between the first no-signal section and the second no-signal section; The method according to claim 9 or 10, further comprising: generating and outputting a rhythm analysis chart indicating a time difference between the first no-signal section and the second no-signal section. .